Infrastructure

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

What is the maximum working range of a Class 3 Bluetooth device? 0.5 meters 1 meter 100 meters 10 meters

1 meter

Match the storage device types on the left with the description and benefits on the right. (hard disk drive, solid state drive, optical disc drive) 1. A thick magnetic disk made of aluminum platters. Uses read/write heads to access data stored on the platters. 2. A flash device with storage capacity similar to a small hard drive. 3. Uses lasers to read and write information stored in the form of pits in their reflective coating. 4. Up to several TB in storage capacity and cost per MB is cheap. 5. Faster than other devices. No moving parts. Last longer than other storage devices. 6. Ideal for music and video. Portable and cheap with a long shelf life.

1. HDD 2.SSD 3. Optical disc drive 4.HDD 5. SSD 6. Optical disc drive

Which USB mode supports up to 5 Gbps? 1.1 2.0 3.0 3.1

3.0

You have just built a brand new computer, and you need to purchase a monitor that will support widescreen 4K movies. Which of the following resolutions supports this need? 3840 x 2160 1920 x 1080 1600 x 900 1920 x 1200

3840 x 2160

Which of the following tasks would benefit the MOST from a dedicated graphics card? Audio mixing 3D animation Web browsing Word processing

3D animation

How much power can a USB 3.0 dedicated charging port supply? 7.5W 15W 2.5W 4.5W

7.5W

What is the maximum supported transfer rate for the IEEE 1394b standard? 800 Mbps 400 Mbps 5 GBps 480 Mbps

800 Mbps

Which of the following is the term for a device (usually external to a computer) that is plugged into a computer's communication port or connected wirelessly? A peripheral A flash drive An attachment A plug-in

A peripheral

Which of the following BEST describes a motherboard? A unit that supplies electricity to computer components A printed circuit board that contains sockets and slots for upgradeable components A chip that controls all other parts of a computer by getting information from them and then telling them what to do A chip that makes sure all necessary parts are plugged in and working properly on bootup so that the operating system can start loading

A printed circuit board that contains sockets and slots for upgradeable components

Which of the following CPU types does Nvidia's Tegra fall under? Zen ARM Core Xeon

ARM

Which of the following are characteristics of Bluetooth? (Select two.) Ad hoc connections Red spectrum light waves Line-of-sight transmission 2.4 GHz radio wireless 5.75 GHz radio wireless

Ad hoc connections, 2.4 GHz radio wireless

Which of the following are optical storage devices? (Select three.) SDHC HDD SSD BD USB flash drive CD DVD

BD, CD, DVD

Which of the following is responsible for verifying that all required components are operating properly before allowing the operating system to begin loading? GPU RAM CPU BIOS

BIOS

Your client's computer keeps attempting to boot to the network adapter. You need to change it to boot to the hard drive that has the operating system installed on it. Where would you go to change the boot order? Disk Management Windows Settings BIOS/UEFI Network Settings

BIOS/UEFI

Rick and Steve want to share information between their smart phones without connecting to the WiFi network. Which of the following is the least complicated way to accomplish this? USB cable Bluetooth NFC Infrared

Bluetooth

Which of the following BEST describes the difference between Bluetooth and Wi-Fi? Bluetooth provides a higher security level than Wi-Fi. Bluetooth broadcasts large amounts of data at faster speeds; Wi-Fi broadcasts small amounts of data at slower speeds. Bluetooth communicates between devices; Wi-Fi connects devices to the internet. Bluetooth provides a longer broadcast range than Wi-Fi.

Bluetooth communicates between devices; Wi-Fi connects devices to the internet.

You have found a file named FunAppx86.exe on your hard drive. Which system(s) would this executable file MOST likely run on? Only 32-bit systems Only 64-bit systems Both 32-bit and 64-bit systems Only 16-bit and 32-bit systems

Both 32-bit and 64-bit systems

Which hardware component processes data? HDD CPU SSD RAM

CPU

Which of the following computer components is the MOST important part of any modern computer? NIC RAM BIOS CPU

CPU

Which network type uses a coaxial cable to receive its signal? Cellular Satellite Fiber-optic Cable

Cable

You recently purchased a new sound card and installed it in a free PCI slot in your computer. You plug in your old speakers, but you don't get any sound. You have checked all cable connections, and they are secure. You have also ensured that the speaker volume is appropriately adjusted and isn't muted. Which of the following BEST describes the next step you should perform? Replace the speakers. Replace your sound card. Check the vendor's website for an updated driver. Manually change the IRQ settings for the card.

Check the vendor's website for an updated driver.

Which motherboard component provides functions that might otherwise require an expansion card? Chipset BIOS I/O Ports PCB

Chipset

Which of the following stores data using microscopic light and dark spots? Hard disk Flash drive RAM Compact disc

Compact disc

You are troubleshooting a printer issue on a Windows 10 version 1703 system. Where would you go to view the printer's status page and configuration options? Settings --> Printers Control Panel --> Devices and Printers Control Panel --> Troubleshooting Settings --> Devices

Control Panel --> Devices and Printers

Which of the following technologies allows data to be transferred between the RAM and CPU twice per cycle? SMP DDR CMP Dual-channel RAM

DDR

Which of the following display devices uses adjustable mirrors along with a light source and color filters to display the correct image? LED CRT DLP LCD

DLP

Which of the following is not an example of wireless networking communications? 802.11n DSL Bluetooth Infrared

DSL

Which of the following chips is responsible for processing audio input from a microphone and converting it into data? CPU DSP DLP GPU

DSP

Jeff has been asked to replace a monitor on a workstation. Which of the following device interfaces could he use to connect the new monitor? UPS USB SSID DVI

DVI

Which graphics interface supports both digital and analog signals? VGA HDMI DVI-D DVI-I

DVI-I

As a member of the help desk administration team, you've been assigned to update the driver for the network adapter that is installed on most of the machines in your department. You have a copy of the latest driver on a USB flash drive. Which Windows utility will allow you to manually update this new driver? Device Manager Internet Properties Driver Manager Network and Sharing Center

Device Manager

You are replacing your graphics card and have uninstalled the driver using the software package. You want to verify that the device is fully uninstalled. Which of the following would be the BEST place to verify the graphics card has been fully uninstalled? Add/Remove Programs Settings Control Panel Device Manager

Device Manager

Which of the following devices normally provide a mini-USB (Universal Serial Bus) or micro-USB connector? (Select three.) Digital camera Smartphone Printer Tablet DVD player Game console Home audio/video receiver

Digital camera, smartphone, tablet

Which of the following is an advantage of DisplayPort 1.4 over HDMI 2.0? DisplayPort can connect gaming consoles; HDMI can only connect computers to monitors. DisplayPort has a greater maximum bandwidth than HDMI. DisplayPort connection monitors are less expensive than HDMI connection monitors. DisplayPort is supported by more devices than HDMI.

DisplayPort has a greater maximum bandwidth than HDMI.

You have just connected a new USB device to your Windows system. You used the installation disc that came with the device to install the drivers needed to support the device. After the installation, the system frequently crashes when you try to access the new device. Which of the following steps would MOST likely resolve this issue? Download and install the latest driver from the manufacturer's website. Remove and then reinstall the device. Replace the device itself. Run the Add Legacy Hardware wizard and manually configure the device.

Download and install the latest driver from the manufacturer's website.

Which of the following is a wired networking method most commonly used today by desktop PCs and other network devices to connect to a local area network? ArcNet Ethernet 802.11n Token Ring Bluetooth

Ethernet

What is the bus between the RAM and CPU called? FSB ATA PCI BSB

FSB

Which network type uses light pulses to transmit data? Fiber optic Wireless Satellite Cable

Fiber optic

Which of the following Internet technologies provides the FASTEST speeds? Fiber optic DSL Cellular Cable

Fiber optic

Which type of cable would be used to transfer audio signals using light? UTP Fiber optic STP Coaxial

Fiber optic

Which of the following uses persistent memory chips to store data? Hard disk Flash drive RAM Compact disc

Flash drive

For many years, computers placed data on hard drives magnetically using platters coated with an iron oxide. Modern computers are now using the more modern solid-state drives, which are faster and less prone to mechanical failures. Which component is used inside a solid-state drive to store data? ROM Flash memory Cache RAM

Flash memory

How many pins does an unpowered Firewire connector have? Six Twenty-four Four Five

Four

Which type of storage media is susceptible to data loss due to excessive jostling or movement? HDD SSD Flash storage Optical drive

HDD

You are helping a client connect their new Blu-ray player to their 4K projector. Which of the following cables would you MOST likely use? Thunderbolt HDMI DisplayPort DVI

HDMI

Which of the following is NOT an optical storage device? Hard disk Digital video disc Blu-ray disc Compact disc

Hard disk

You need a storage device that has very large storage capacity, is fast, and is relatively inexpensive. Which storage device will best suit your needs? SSD Optical USB flash drive Hard disk

Hard disk

Define whether each item is hardware or software: monitor internet browser video game operating system touchscreen video game controller power cable RAM

Hardware: touchscreen, monitor, video game controller, RAM, power cable Software: internet browser, video game, operating system

Which of the following is not an advantage of SSDs over HDDs? Durable Low power consumption Inexpensive Small and light

Inexpensive

What can be done if a computer is relying too much on virtual memory supplied by the hard drive to temporarily store information needed by the CPU? Upgrade the CPU. Install more RAM. Install a better video card. Re-format the hard drive.

Install more RAM.

Carrol purchased a new printer and attached it to her workstation with a USB cable. The printer is powered on, but the computer does not recognize the printer. Which of the following should Carrol do next to be able to send print jobs to the printer? Connect the printer to the network instead of a USB cable Upgrade the firmware on the printer Check for operating system updates Install the latest printer driver

Install the latest printer driver

Paul has been asked to install a new printer. The most important requirement is that the printer needs to be fast. Which of the following printer types is the fastest? Dot matrix printer 3D printer Inkjet printer Laser printer

Laser printer

Colored jack uses: Lime Light Blue Pink Black Orange Silver Brown

Lime - Audio out for the main stereo speakers Light blue - Audio in jack used for tape decks, CD players, tuners, etc. Pink - Audio in jack used for microphones Black - Audio out jack used for rear stereo speakers Orange - Audio out jack used for center channel and subwoofer Silver - Audio out jack used for side-channel speakers on a 7.1 speaker configuration Brown - Audio out jack used for a special panning right-to-left speaker

Which of the following colored jacks on an audio card would you use to connect a 5.1 speaker set? (3) Lime Orange Silver Light blue Black Brown Pink

Lime, Orange, Black

Which of the following interfaces provides the best performance for an SSD? SATA PCI USB M.2

M.2

You are trying to connect a new USB device to your computer. You install the driver and then connect the device to an open USB port. The device does not work. Which of the following troubleshooting steps is the BEST to try first? Replace the USB device. Install a new USB controller card. Make sure the USB device is plugged in properly. Try a different USB cable.

Make sure the USB device is plugged in properly.

Which of the following is a version of RFID that can work as both a tag and a reader? Bluetooth Passive RFID NFC Active RFID

NFC

Which of the following wireless communication technologies can be described as follows? 1. Has a very limited transmission range, of less than two inches 2. Used with credit cards and passports 3. Slower than other wireless technologies 4. Constantly emitting a signal Infrared in diffuse mode Bluetooth IEEE 1394 NFC Infrared in line-of-sight mode

NFC

Which of the following wireless technologies requires a distance of approximately 4 cm (1.5 inches) in order to establish a communications link between devices? Bluetooth Infrared WiFi NFC

NFC

Which of the following would MOST likely be used for contactless payment? RFID Wi-Fi NFC Bluetooth

NFC

You have recently issued new mobile phones to the sales team in your company. Each phone has the ability to store and transmit encrypted information for such things as making payments at a checkout counter. Which of the following is the technology being used in these phones? Bluetooth transmitters Infrared transmitters NFC chips VPN

NFC chips

Multiple computers configured to be able to communicate and share information with each other form a ____________. Group Network Family Commune

Network

Which of the following are wired components that allow a computer to connect to an internal company network? (Select two.) Network interface port Router Switch RJ-11 cable RJ-45 cable

Network interface port, RJ-45 cable

You are using your new scanner to scan a text document so you can edit it on the computer. Which type of software would you use to do this? CCD TWAIN OCR WIA

OCR

Which of the following slots would a new graphics card MOST likely be inserted into? NIC USB PCIe PCI

PCIe

Bob is configuring a new inventory tracking system that uses special labels to mark each inventory item. To track the inventory, Bob must be within 25 meters of the label and use a special reader to retrieve the information that's embedded in the tag. Which of the following device interfaces is MOST likely being used? NIC Passive RFID Active RFID NFC

Passive RFID

Which of the following colored jacks on an audio card would you connect a microphone to? Orange Light blue Lime Pink

Pink

Which of the following components converts AC to DC? Capacitor Surge protector Voltage regulator Power supply

Power supply

Jeremy has just installed a printer in his home office and wants to allow others in the home to send print jobs to the printer through their devices. Which of the following should Jeremy use in his Windows 10 Settings application to enable this printing feature? Devices and Printers Printer Properties Device Manager Bluetooth & Other Devices

Printer Properties

Which of the following components stores values in short-term memory? RAM Flash Drive Processor Hard drive

RAM

Which of the following is NOT a long-term storage device? Compact disc RAM Hard disk Flash drive

RAM

You are connecting your new 5.1 speaker set to your computer. The speaker set uses coaxial cables to plug into an S/PDIF jack. Which type of connection is MOST likely being used? RCA Serial RJ-45 Fiber optic

RCA

Which kind of connector do you use to connect a modem to a standard telephone line? RJ-11 RG-58 F-type RJ-45

RJ-11

Which connector is used with an unshielded twisted pair (UTP) cable? AUI RJ-45 DIX BNC

RJ-45

Which of the following connectors are used to terminate a Cat 5e and Cat 6a network cable? RJ-45 BNC RJ-11 LC

RJ-45

Which of the following networking interfaces connects a computer to a wired local area network (LAN)? RJ-11 RFID NFC RJ-45

RJ-45

Which type of port is used on an NIC to connect a computer to the network with unshielded twisted-pair cables? Serial USB RJ-11 RJ-45

RJ-45

A company executive has been experiencing slowness when her laptop boots. After performing some diagnostics and troubleshooting, you determine the hard drive has sufficient free space and it is rated as a 5400 RPM drive. You decide to defragment the hard drive. After the drive is defragmented, the laptop boot performance has not improved. Which of the following internal computing components would MOST LIKELY resolve the performance issue? Upgrade the firmware/BIOS Replace the hard drive with an SSD Increase the amount of RAM Replace the hard drive with a larger capacity

Replace the hard drive with an SSD

Which of the following CPU models is made by AMD for high-end computer enthusiasts? Atom Xeon Epyc Ryzen Threadripper

Ryzen Threadripper

Which type of RAM runs at the same clock speed as the CPU and data bus? Static RAM Flash memory DRAM SDRAM

SDRAM

You are in the process of purchasing several new Windows-based computers to replace broken or outdated computers. You have heard that solid state drives (SSDs) can significantly increase the overall performance of the system. Which of the following BEST describes the features of solid state drives (SSD) compared to hard disk drives (HDD)? (Select TWO). SSD spindles spin at a faster rate than HDD. SSD opens files faster than HDD. SSD uses flash technology to store data. SSD can be adversely affected by magnetism. SDD has the best Mean Time Before Failure (MTBF). SSD stores a large amount of storage cheaply.

SSD opens files faster than HDD. SSD uses flash technology to store data.

A healthcare organization provides mobile clinics throughout the world and needs to transfer patient statistical data to a central database via the Internet. Which network technology should they select to ensure network connectivity for any clinic located anywhere in the world, even remote areas? Cable modem Satellite ISDN DSL Dial Up

Satellite

You live in a rural area and don't have a nearby wired network to connect to. What could you use to connect to the Internet? Cable DSL Fiber optic Satellite

Satellite

You are troubleshooting a client's issue. Whenever she tries to double-click on a folder, the folder highlights but does not open. Your client gets frustrated because she has to keep clicking until the folder finally opens. Which of the following should you do to correct this issue? Tell the user to click the mouse buttons faster. Tell the user to click the mouse buttons slower. Select a faster double-click speed in Mouse Properties. Select a slower double-click speed in Mouse Properties.

Select a slower double-click speed in Mouse Properties.

You have two different keyboard layouts configured on your Windows 10 computer. Which of the following keyboard shortcuts allows you to easily switch between them? CTRL + ALT + DEL Start + Spacebar Start + K CTRL + SHIFT + ESC

Start + Spacebar

You are attempting to install a 64-bit version of a program but keep getting an error message that the software is not compatible with your computer. Which of the following is the MOST likely reason for this? The computer is a 64-bit system. You have an AMD CPU installed. You have an Intel CPU installed. The computer is a 32-bit system.

The computer is a 32-bit system.

You are upgrading your computer system by adding more RAM. You purchase two 4GB sticks of RAM and install them on your computer. After booting up the system, you find that only 4GB is recognized. Which of the following is the MOST likely reason for this? You are using Windows 10. You are using Windows 7. The computer is a 64-bit system. The computer is a 32-bit system.

The computer is a 32-bit system.

Rico, a technician, works for a manufacturer that has been experiencing power outages at one of their warehouses. The warehouse has a number of IP-based security cameras. After the last power outage, the cameras are all powered on but are not accessible from the security office. Which of the following is MOST likely the cause? All the cameras were damaged in the power outage. The wireless router has either not reconnected to the network or the cameras are not reconnecting. The wireless router reset to a default protocol that is not compatible with the cameras. The wireless router was damaged in the outage and requires a firmware upgrade.

The wireless router has either not reconnected to the network or the cameras are not reconnecting.

Which of the following fills in the microscopic gaps between the CPU and heat sink to increase the cooling effectiveness? Heat spreader Thermal paste Heat sink Heat sink fan

Thermal paste

You are connecting an external monitor to an Apple Macbook. Which of the following connectors would you MOST likely use? VGA HDMI DisplayPort Thunderbolt

Thunderbolt

Which of the following is an input device? USB port Speaker Monitor Touchscreen

Touchscreen

Which of the following physical connections would you MOST likely use to connect a digital camera to a computer in order to transfer files? USB Wi-Fi HDMI CAT 5e

USB

Which type of connector is commonly used for keyboards and mice? RCA XLR TRS USB

USB

Which connector on the back of a computer is used to attach a mouse to a modern PC system? Mini-DIN RJ-45 USB A Low-density (two row), female DB-15 USB B High-density (three row), female DB-15

USB A

Which display connection type uses a 15-pin connector? HDMI DVI-D VGA DVI-A

VGA

One of the most important components of a computer is storage. All computers have ways to work with and store data. When a computer manipulates data, it places it in a short-term storage location. When a computer stores data, it is placed in a long-term storage location. What are the two terms we use for a short-term and long-term storage location? (Select two.) Flash The cloud Volatile storage Non-volatile storage Cache

Volatile storage Non-volatile storage

Which of the following devices is typically installed in the chassis above the screen in a laptop? Touchpad Wireless NIC Speakers Webcam

Webcam

Which of the following is a type of peripheral input device that can be integrated into a laptop computer to provide digital camera functionality? Image scanner Monitor Webcam Graphics card

Webcam

Which of the following components is NOT required to create a network? Network interfaces Network media Wireless adapter Computer systems

Wireless adapter

Which of the following video standards provided resolutions up to 1024x768, color depths up to 32 bits, and higher refresh rates when it was released? SVGA HDMI XGA VGA

XGA


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